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发明名称
DREDGING DEVICE
摘要
申请公布号
JPH04115029(A)
申请公布日期
1992.04.15
申请号
JP19900232543
申请日期
1990.09.04
申请人
UBE IND LTD
发明人
HASHIMOTO NORIO
分类号
E02F3/88
主分类号
E02F3/88
代理机构
代理人
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